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Professional Automotive Repair Technical Discussions for July 2, 2004 International Automotive Technicians' Network (iATN) - Members Only |
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Open Help Requests for GM
| Help Request | Answers | |
| 1989 Chevrolet Cavalier Z24 2.8L Poor Idle Quality, Hesitation, Misfire VIN: 1G1JF11W6K Hi. Hope someone can help me with this car. This car came in running very poor, customer couldn't drive in. they ended up pulling it in. Pulled vehicle in shop, found battery completely dead, charged battery. Ran poor so I did a compression test, results above... Trouble codes: 42 (est) |
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| 1993 Chevrolet P30 7.4L Fuel gage VIN: 1GBJP37N1P This motorhome has an erratic fuel gage. Came in 2 months ago with same problem. Dropped tank and found one of the lines on the sending unit was rusted and broke off its weld. Replaced sender which came with new pump. I did not notice any fluctuation, all seem... |
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| 2000 Chevrolet Express 3500 5.7L No Start, Cuts out, Stall VIN: 1GBJG31R54 no service engine soon light on when turning key on, code p1361, towed in stalled on highway no start, started and running fine, fuel pressure 60 psi, has new ac delco fuel pump and filter, added ground to fuel pump previously for no start, is there problems w... Trouble codes: P1361 |
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| 2001 Chevrolet Malibu LS 3.1L No Start VIN: 1G1NE52J71 Hello all, Thanks in advance for any input on our problem. This car came in with a little oil in the coolant. We replaced the intake gaskets to cure this problem. Battery was disconnected for repairs. After reassembly, the engine would not start. We assumed th... |
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| 2002 Chevrolet Impala 3.4L low coolant light on VIN: 2G1WFSSE82 Hey guys I have a 2002 chevy impala that i need your help with. The low coolant light comes on intermittently. I checked the coolant level sensor several different times can not find a problem with it. Customer states that the low coolant light comes on after ... |
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| 1995 GMC Pickup K3500 6.5L speedo thanks in advance for any help. local trans rebuilder got this one w/burnt fluid, hunting,erratic shifting, and no 4th speed. rebuilt transmission, all symptoms the same except burnt fluid. i got the truck to try to bail them out. i noticed that the speedo did... |
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| 1996 GMC K3500 Sierra SL 7.4L Ignition VIN: 1GDJK34JX1 Chnaged crank sensor and cam sensor with new just to be sure. I even had a coil I tried still no start. I am thinking ECM but can not be sure. If Ecm is this strictly a dealer fix? Thanks in advance for your help. |
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| 1995 Oldsmobile 88 Royale 3.8L battery VIN: 1G3HN52K1S First battery was replaced due to broken terminal on positive side. 1 week later new battery died, was recharged, alternator tested good, and .005 amps draw from battery after everything powers down. 1 week later again battery died, pulled fuses from circuits ... |
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| 1992 Pontiac Sunbird LE Value Leader 2.0L alternator VIN: 1G2JC14H8N hi folks! well we've been scratching our heads on this one. we've seen this car a number of times now and 3/4 of the time its in for a charging system diagnosis. the vehicle comes in with the alt not charging, it usually lasts about 2 months or so before its b... |
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| 1993 Pontiac Bonneville SE 3.8L No Start VIN: 1G24252L4P This problem seems simple but is proving hard to pinpoint. The car runs great at all times, never stalls, no running symptoms at all. But sometimes when it sits for awhile it will not run. It cranks great has good fuel pressure and spark, all sensors are readi... |
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| 1997 Pontiac Bonneville SE 3.8L Surge VIN: G2HX52K8VH Ive been studing this car for a couple weeks mainly because its hard to duplicate the problem. what it will do is get a steady surge right around 50- miles per hour on the getting on the freeway .I hooked my master tech up to to watch the torque converter clut... |
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Fixes & Summaries for GM
| Fix/Summary | Answers | |
| 1989 Buick Skyhawk Custom 2.0L Hesitation, Cuts out, Misfire VIN: 1G4JS5111K well i believe the vehicle is fixed, have not heard anything from the customer in about a week. anyhow after much diagnosis and elimination what i finally had done was run the car out of gas and put new fuel in the tank with some additive then i drove the vehi... |
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| 1990 Chevrolet Corsica LT 2.2L Hesitation, Cuts out VIN: 1G1LT54G1L Well I would like to thank Dell [...] for taking the time to respond. What we came up with was a failed ignition module. After looking through the archives again I found one vehicle with similar symptoms and he... |
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| 1991 Chevrolet Lumina 3.1L No Start VIN: 2G1W154T9M Well, this one is finally out the door. First off may I say 'Thank You' to all those who responded. The advice ranged from oil soaked wiring, bad grounds, faulty ECM's and shorted injectors. The ECM seemed the most logical, already replaced the crank semsor an... |
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| 1994 Chevrolet Camaro 3.4L Misfire, backfire VIN: 2G1FP22S2R Thanks to those that took the time to read my long post and offered suggestions. I sent a letter back to BBB explaing the situation and requested the vehicle be returned to me so that I can remove valve cover and confirm internal problem. I closed my letter by... Trouble codes: 46 (pass key II error), 82 (ignition control 3x signal error). |
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| 1994 Chevrolet K2500 Cheyenne 5.7L ign switch elec VIN: 1GCGK29K4R Wow, Thanks for the input! George from texas had it right. After doing some 'wiggling' I got to the brake switch harness, I could get it to mess up. The brake switch had broken connectors inside. Fixed. Thaks Jim |
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| 1995 Chevrolet P30 CHASSIS 7.4L Poor Idle Quality, Hesitation, Surge VIN: 1GBLP37N7S Thanks to all that replied, the fuel pump was at fault even thogh was recently replaced while the customer was on the road traveling. Not enough volume and knowing it was recently replaced clouded my thinking--should have known better!? Thanks for all of the h... |
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| 1996 Chevrolet Camaro Z28 5.7L Surge VIN: 2G1FP32P9T thank`s everyone for your help the fix for this car was cap rotor ofcorse it was a nasty one behind the water pump what a great place to put it |
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| 1997 Chevrolet Monte Carlo LS 3.1L No Start VIN: 2G1WW12M4V Well I recieved no responses on this vehicle but I'm going to call it a fix. We remove the intake and checked all wiring, it appeared to be good. I tightened all the injector connections and connection for the fuse itself and reinstalled the intake. We monitor... |
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| 1998 Chevrolet Express 3500 5.7L Poor Idle Quality, Hesitation, Surge, Misfire VIN: 1GBHG31C4W Van is fixed! Vincent from IL came thru with the suggestion of checking the condition of the computer. We pulled the computer out to get a real good look at it, we couldn't really see much with it still in the truck with where it is mounted. Wow, this is the w... |
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| 1999 Chevrolet Silverado 1500 5.3L Misfire VIN: 1GCEK19T4X Sorry about the late reply but i was waiting to hear back from the customer. It was indeed a bad upstream o2 sensor. After much testing and driving it also set an o2 code. Thanks again to all who replied. |
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| 2001 Chevrolet Tracker 2.0L No Start VIN: 2CNBJ13C21 The replies I received varied from bad ECM to theft deterrent system problem. T his vehicle does not have a theft deterrent system but I went through the steps anyway and decided I had missed something and was just about to start over with the basics. However,... |
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| 1986 GMC P3500 Value Van 6.2L flexplate VIN: 1GTHP32J0G Many thanks to all who helped. Number one suggestion was to double check transmission alignment. Number two and three (tie) was a ballooning torque converter (a new idea to me) and that the big diesels will sometimes just eat standard flexplates. I learned... |
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| 1999 Saturn SW1 1.9L noise VIN: 1G8ZM8280X thanks to the 5 that responded. one said check to see if the valvebody was a rebuilt or new, i did and they say it was new. i decided to do as most said and with the consent of the customer we are not going to do anything until it acts up more often. i did lik... |
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